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Finding the Third Proportional to 556,132 and 1,214,248

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Solution

The third proportional to 556,132 and 1,214,248 is: 2,651,165.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,132 : 1,214,248 = 1,214,248 : x
  2. Step 2: Convert to fraction form
    556,132/1,214,248 = 1,214,248/x
  3. Step 3: Cross multiply
    556,132x = 1,214,248 × 1,214,248
  4. Step 4: Simplify right side
    556,132x = 1,474,398,205,504
  5. Step 5: Solve for x
    x = 1,474,398,205,504/556,132
  6. Step 6: Final answer
    x = 2,651,165.92

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.